Spacer block for an elongated substrate

Details Spacer block for an elongated substrate Spacer block for an elongated substrate

1998-03-17

1999-12-07

Hook, James F.

Pipes and tubular conduits

Plural duct

With spacer and encircling element

138108, 138113, 138114, F16L 919

Patent

active

059966386

ABSTRACT:
A spacer block (3) for an elongated substrate (1) on the inside of an elongated tube (2) comprises an internal ring (3a) which surrounds the elongated material, an external ring (3b) which is surrounded by the elongated tube (2), where the outside diameter of the internal ring (3a) is smaller than the inside diameter of the external ring (3b), and the internal and the external ring (3a, 3b) are interconnected by at least three spoke-type elements (3c) made of fiber material, which are uniformly spaced around the circumference.

REFERENCES:
patent: 2914090 (1959-11-01), Isenberg
patent: 2930407 (1960-03-01), Conley et al.
patent: 3250297 (1966-05-01), Mooneyham
patent: 3595275 (1971-07-01), Steans et al.
patent: 3621109 (1971-11-01), Nakata
patent: 3789129 (1974-01-01), Ditschied
patent: 3835240 (1974-09-01), Matthaus
patent: 3891006 (1975-06-01), Lee
patent: 4036617 (1977-07-01), Leonard et al.
patent: 4122298 (1978-10-01), Brandt
patent: 5860453 (1999-01-01), Picking

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